*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0a0e1a;
  --color-bg-alt: #111827;
  --color-surface: #1a2235;
  --color-surface-2: #1e2a3e;
  --color-primary: #00c8a8;
  --color-primary-dark: #009e84;
  --color-primary-light: #33d4b8;
  --color-accent: #ff6b35;
  --color-accent-dark: #e55a24;
  --color-text: #e8ecf4;
  --color-text-muted: #8a9ab5;
  --color-border: #2a3a55;
  --color-banner-bg: linear-gradient(135deg, #00c8a8 0%, #0077ff 100%);
  --color-banner-mid: linear-gradient(135deg, #ff6b35 0%, #ff3b8b 100%);
  --font-main: 'Segoe UI', 'Arial', sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  padding-left: 1.5rem;
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 16px;
}

.logo-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
}

.main-nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.main-nav ul li a {
  display: block;
  padding: 8px 14px;
  border-radius: 6px;
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
  background-color: var(--color-primary);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 1.4rem;
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
}

.bonus-banner {
  padding: 18px 0;
  background: var(--color-banner-bg);
}

.bonus-banner.mid-banner {
  background: var(--color-banner-mid);
  border-radius: var(--radius);
  margin: 36px 0;
}

.bonus-banner.mid-banner .bonus-banner-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px;
}

.bonus-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.bonus-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bonus-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.85);
}

.bonus-desc {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

.btn-cta {
  background-color: #fff;
  color: #0a0e1a;
  border: none;
  border-radius: 50px;
  padding: 13px 32px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

.btn-cta:hover {
  background-color: #f0fff8;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.main-content {
  flex: 1;
  padding: 36px 0 48px;
}

.review-article h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.review-article h2 {
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--color-text);
  margin-top: 40px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.review-article h3 {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 600;
  color: var(--color-primary-light);
  margin-top: 24px;
  margin-bottom: 10px;
}

.review-article p {
  margin-bottom: 16px;
  color: var(--color-text);
}

.lead {
  font-size: 1.08rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  border-left: 3px solid var(--color-primary);
  padding-left: 14px;
}

.review-article ul,
.review-article ol {
  margin-bottom: 16px;
}

.review-article ul li,
.review-article ol li {
  margin-bottom: 8px;
}

.checklist {
  list-style: none;
  padding-left: 0;
  background: var(--color-surface-2);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 20px 0;
}

.checklist li {
  padding-left: 30px;
  position: relative;
  margin-bottom: 10px;
  color: var(--color-text);
}

.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.age-warning {
  background: rgba(255, 107, 53, 0.12);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: #ffd0b8;
  margin-top: 32px;
}

.cards-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 24px 0;
}

.card {
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.card h3 {
  font-size: 1.05rem;
  margin-top: 0;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.card-pros h3 {
  color: var(--color-primary);
}

.card-cons h3 {
  color: var(--color-accent);
}

.card ul {
  padding-left: 1.2rem;
}

.card ul li {
  margin-bottom: 7px;
  font-size: 0.93rem;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
  border-radius: var(--radius);
}

table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: var(--color-surface-2);
  border-radius: var(--radius);
  overflow: hidden;
}

thead {
  background: var(--color-primary);
}

thead th {
  padding: 13px 16px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background: rgba(0, 200, 168, 0.06);
}

tbody td {
  padding: 12px 16px;
  font-size: 0.92rem;
  color: var(--color-text);
}

.faq {
  margin-top: 24px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--color-surface-2);
}

.faq-toggle {
  display: none;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.97rem;
  color: var(--color-text);
  transition: background var(--transition);
  user-select: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 400;
  flex-shrink: 0;
  margin-left: 12px;
  transition: transform var(--transition);
}

.faq-toggle:checked + .faq-question {
  background: rgba(0, 200, 168, 0.08);
  color: var(--color-primary-light);
}

.faq-toggle:checked + .faq-question::after {
  content: '−';
}

.faq-answer {
  display: none;
  padding: 0 20px 16px;
  font-size: 0.93rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.faq-toggle:checked ~ .faq-answer {
  display: block;
}

.site-footer {
  background-color: var(--color-surface);
  border-top: 2px solid var(--color-border);
  padding: 32px 0 20px;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.footer-nav ul li a {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  padding: 4px 10px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}

.footer-nav ul li a:hover {
  color: var(--color-primary);
  background: rgba(0, 200, 168, 0.08);
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-disclaimer {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  max-width: 600px;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 8px 0 4px;
  }

  .main-nav ul li a {
    padding: 10px 16px;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .cards-row {
    grid-template-columns: 1fr;
  }

  .bonus-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-cta {
    width: 100%;
    text-align: center;
  }

  .review-article h1 {
    font-size: 1.6rem;
  }

  .review-article h2 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  .card {
    padding: 16px;
  }

  .faq-question {
    padding: 14px 16px;
    font-size: 0.9rem;
  }

  .checklist {
    padding: 14px 16px;
  }

  thead th {
    font-size: 0.78rem;
    padding: 10px 12px;
  }

  tbody td {
    font-size: 0.83rem;
    padding: 10px 12px;
  }
}